<?php

namespace PHPExcel\Worksheet;

/**
 * \PHPExcel\Worksheet\Row
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * @category PHPExcel
 * @package \PHPExcel\Worksheet
 * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
 * @version ##VERSION##, ##DATE##
 */
class Row {
    /**
     * \PHPExcel\Worksheet
     *
     * @var \PHPExcel\Worksheet
     */
    private $parent;
    
    /**
     * Row index
     *
     * @var int
     */
    private $rowIndex = 0;
    
    /**
     * Create a new row
     *
     * @param \PHPExcel\Worksheet $parent            
     * @param int $rowIndex            
     */
    public function __construct(\PHPExcel\Worksheet $parent = null, $rowIndex = 1) {
        // Set parent and row index
        $this->parent = $parent;
        $this->rowIndex = $rowIndex;
    }
    
    /**
     * Destructor
     */
    public function __destruct() {
        unset($this->parent);
    }
    
    /**
     * Get row index
     *
     * @return int
     */
    public function getRowIndex() {
        return $this->rowIndex;
    }
    
    /**
     * Get cell iterator
     *
     * @param string $startColumn
     *            The column address at which to start iterating
     * @param string $endColumn
     *            Optionally, the column address at which to stop iterating
     * @return RowCellIterator
     */
    public function getCellIterator($startColumn = 'A', $endColumn = null) {
        return new RowCellIterator($this->parent, $this->rowIndex, $startColumn, $endColumn);
    }
}
